- Arkansas, the Natural state, David C. King and Elissa Bass
- American history, a visual encyclopedia, by David C. King
- New Jersey, the Garden State, David C. King, William McGeveran, and Greg Clinton
- Kansas, the Sunflower State, David C. King, Richard Hantula, and Jackie F. Stanmyre
- Iowa, the Hawkeye State, David C. King and Jackie F. Stanmyre
- Children's encyclopedia of American history, by David C. King